Enclosure with extension



FIG. 1 is a top, front, and left side perspective view of an enclosure with extension showing my new design;

FIG. 2 is a top, back, and right side perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a back elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a left side elevation view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof; and,

FIG. 9 is a top, back, and right side perspective view thereof, shown with the back cover omitted for ease of illustration.

The broken lines depict portions of the enclosure with extension in which the design is embodied that form no part of the claimed design. The hollow interior of the enclosure with extension forms no part of the claimed design. Additionally, the dash-dot lines denote the boundary of the claim and form no part of the claimed design. 

CLAIM The ornamental design for an enclosure with extension, as shown and described. 